.content img {
  width: 100%;
}
/* 楼层 */
.floor {
  width: 100%;
}
.container {
  width: 1200px;
  margin: 0 auto;
}
.container .title {
  text-align: center;
  font-size: 20px;
  margin: 34px auto 16px;
  color: #003;
}
.container .gkcourse {
  width: 283px;
  box-shadow: 0 15px 15px rgba(0, 0, 0, 0.3);
}
.gkcourse img {
  width: 283px;
  height: 160px;
}
.gkcourse div {
  height: 120px;
  padding: 0 14px;
}
.container .count {
  height: 112px;
  padding: 20px 10px 0;
  width: 1200px;
  margin: 0 auto;
}
.count .btn {
  padding: 8px;
  background-color: #409eff;
  border: none;
}
